DR. CAROL BICH NGOC TRAN MD, MAS
NPI 1689252660
Radiology - Diagnostic Radiology in San Francisco, CA

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE RM M391, SAN FRANCISCO, CA 94143(415) 353-2887 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 10, 2026, Mar 31, 2021 (2 updates tracked since 2021).

About Dr. Carol Bich Ngoc Tran Md, Mas NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CAROL BICH NGOC TRAN MD, MAS (NPI 1689252660) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A180966) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of University Of California, San Francisco School Of Medicine (2021).

NPPES Registry Identity

NPI1689252660
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. CAROL BICH NGOC TRANCredential: MD, MAS
Location Address505 PARNASSUS AVE RM M391San Francisco, CA 94143-2204
Mailing Address1411 E 31st StOakland, CA 94602-1018 · (510) 437-5039 · Fax (510) 535-7313
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2021
Enumeration DateMarch 31, 2021
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1689252660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A180966
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
505 PARNASSUS AVE RM M391, San Francisco, CA 94143

Secondary Practice Location 1

Location 11411 E. 31st Street, 2nd flr A2Oakland, CA 94602-1018 · Phone (510) 437-5039 · Fax (510) 535-7313

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Carol Bich Ngoc Tran Md, Mas is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254815632
PECOS Enrollment IDI20260324002582
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Carol Tran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
505 PARNASSUS AVE RM M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE RM M391
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carol Tran's NPI number?

The NPI number for Carol Tran is 1689252660. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Carol Tran located?

Carol Tran practices at 505 Parnassus Ave Rm M391, San Francisco, CA 94143. The listed phone number is (415) 353-2887.

What is Carol Tran's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Carol Tran enrolled in Medicare?

Yes. Carol Tran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carol Tran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carol Tran reassigns Medicare benefits to 2 organizations: Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carol Tran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carol Tran was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.